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Convert a string To Title Case using Regular Expressions
A question came up on the CFML Slack channel today about converting a string to Title Case. I thought I’d see if I could solve it using a regular expression and this is what I came up with:
s = "iTSy bITSY TeeniE wEENIE Yellow pOLKADOT BiKiNi"; titleCase = REReplaceNoCase(s, "\b(\w)(\w+)\b", "\U\1\L\2", "all"); writeDump(titleCase); // Itsy Bitsy Teenie Weenie Yellow Polkadot Bikini
I tested this on ACF10, ACF11, ACF2016, ACF2018 and Lucee.
A question came up on the CFML Slack channel today about converting a string to Title Case. I thought I’d see if I could solve it using a regular expression and this is what I came up with:
s = "iTSy bITSY TeeniE wEENIE Yellow pOLKADOT BiKiNi"; titleCase = REReplaceNoCase(s, "\b(\w)(\w+)\b", "\U\1\L\2", "all"); writeDump(titleCase); // Itsy Bitsy Teenie Weenie Yellow Polkadot Bikini
I tested this on ACF10, ACF11, ACF2016, ACF2018 and Lucee.
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In Title Case you should not capitalise Articles, Conjunctions and Prepositions – unless they are the first word.
Very nice! Here’s a small tweak to pick up the 1 letter words like ‘I’ and ‘A’.
titleCase = REReplaceNoCase(s, “\b(\w)(\w{0,})\b”, “\U\1\L\2”, “all”);
Good catch! I’d probably use a * instead of the {0,} but that’s just personal preference.
